假如

Supposing he is not at home, what then?

他不在家,那怎么办?

Assuming the house is for sale, would you buy it?

那座房子出售，你要买吗?

If a person is missing for 7 years, he is presumed dead.

一个人失踪七年，即作已经死亡论。

If a person is missing for seven years,he is presumed dead.

一个人失踪七年,即看作已经死亡。

Please don't take it amiss, if I point out your errors.

指出你的错，请别见怪。

If he aggravated me any more I shall hit him.

他再激怒, 就要揍他。

Jill will scream blue murder if Ann gets promoted and she doesn’t.

提升安不提升吉尔，吉尔会大声抗的。

If you can not have children of your own, why not consider adoption?

你自己不能生育, 何不考虑过继一个呢?

If they're defeated in parliament, the government will go to the country.

他们在会里失败, 政府将举行大选。

If there is a real 8th popshop, what will you hock?

真有“第8号当铺”，你愿意典当什么？

If you turn over a turtle on its back, it will become helpless.

你把海龟翻过来, 它就无能为力了。

If we had been careful such a calamity would not have befallen us.

们谨慎的话, 这种灾难不会降临到们的。

It’s from my boyfriend, if you must know.

你非要知道，可以告诉你，这是男朋友送的。

You may come if you wish.

你愿意的话，你就来。

If you don't want a mind to emerge, then unhinge it from the body.

当然，你意图阻止意识的浮现，那么只管把它与躯体剥离开来。

Gianfranco Zola - God created all things, and can uncreate them as well if necessary.

佐拉――帝创造了万物，需要的话，他也可以毁掉一切。

If Americans didn't get a new car every year thousands of our workpeople would be out of work .

美国人不每年买一辆新车，那么千千万万的工人们就会失业。

Choose tinsel or artificial icicles made of plastic or nonleaded metals. Leaded materials are hazardous if ingested by children.

选择塑胶或无铅制的金属箔或人造冰注。含铅的材料被小孩误食，是很危险的。

Where the individual monograph directs that loss on drying be determined by thermogravimetric analysis, a sensitive electrobalance is to be used.

各论中要求采用热重分析法测定干燥失重，需要用到高精度电子天平。

But the same unsettlement, as we have already observed, would be caused in the capital goods industries by a sudden and substantial decrease in savings.

但是，正们已经注意到的，储蓄额突然锐减，那么它将同样导致资本品工业的不稳定现象。